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Awesome Agent Harness
An awesome list of Agent Harness engineering resources, including GitHub projects, tools, benchmarks, and practical guides.
Picrew/awesome-agent-harness
#agent-harness
#context-engineering
#harness-engineering
- List stars
- 1,702
- README repos
- 333
- Indexed repos
- 332
- List commits
- 34
- Forks
- 179
- Open issues
- 62
Tracked list growth
GitHub stars and default-branch commits for Picrew/awesome-agent-harness.
Latest scan 2026-09-03 10:49
Likes history
GitHub starsCommits history
Default branch commits
Latest repo push 2026-09-04
crewAIInc/crewAI
Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.
AI dev
GitHub topics
- Updated
- 2026-09-03
- Lists
- 6 list mentions
- First commit
- 2023-10-27
- License
- MIT
- Issues
- 709 open
58,037
stars
- Forks
- 8,322
- Commits
- 2,818 commits
- Star growth, last 7 days
- +310 +0.5%
- Commit velocity, last 7 days
- +23 +0.8%
HKUDS/nanobot
Ultra-lightweight, open-source, self-hosted personal AI agent framework in Python with WebUI, tools, memory, MCP, multi-agent workflows, automation, and chat apps
AI dev
GitHub topics
- Updated
- 2026-08-19
- Lists
- 8 list mentions
- First commit
- 2026-02-01
- License
- MIT
- Issues
- 719 open
47,154
stars
- Forks
- 8,328
- Commits
- 4,078 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
charmbracelet/crush
Glamourous agentic coding for all 💘
AI dev
Stack
GitHub topics
- Updated
- 2026-08-11
- Lists
- 3 list mentions
- First commit
- 2025-03-21
- License
- NOASSERTION
- Issues
- 629 open
27,265
stars
- Forks
- 2,143
- Commits
- 3,989 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
PrefectHQ/fastmcp
🚀 The fast, Pythonic way to build MCP servers and clients.
AI dev
GitHub topics
- Updated
- 2026-08-10
- Lists
- 2 list mentions
- First commit
- 2024-11-29
- License
- Apache-2.0
- Issues
- 267 open
27,164
stars
- Forks
- 2,239
- Commits
- 3,866 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
google/adk-python
An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
AI dev
GitHub topics
- Updated
- 2026-08-01
- Lists
- 4 list mentions
- First commit
- 2025-04-02
- License
- Apache-2.0
- Issues
- 596 open
20,979
stars
- Forks
- 3,783
- Commits
- 3,530 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
Portkey-AI/gateway
A blazing fast AI Gateway with integrated guardrails. Route to 1,600+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.
AI dev
Stack
GitHub topics
- Updated
- 2026-05-25
- Lists
- 5 list mentions
- First commit
- 2023-08-23
- License
- MIT
- Issues
- 242 open
12,630
stars
- Forks
- 1,236
- Commits
- 3,457 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
tensorzero/tensorzero
TensorZero is an open-source LLMOps platform that unifies an LLM gateway, observability, evaluation, optimization, and experimentation.
Archived
AI dev
GitHub topics
- Updated
- 2026-06-11
- Lists
- 5 list mentions
- First commit
- 2024-07-16
- License
- Apache-2.0
- Issues
- Disabled
11,728
stars
- Forks
- 958
- Commits
- 4,100 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
Arize-ai/phoenix
AI Observability & Evaluation
AI dev
GitHub topics
- Updated
- 2026-08-11
- Lists
- 5 list mentions
- First commit
- 2022-11-09
- License
- NOASSERTION
- Issues
- 872 open
10,980
stars
- Forks
- 1,049
- Commits
- 9,577 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
OpenPipe/ART
Agent Reinforcement Trainer: train multi-step agents for real-world tasks using GRPO. Give your agents on-the-job training. Reinforcement learning for Qwen3.6, GPT-OSS, Llama, and more!
AI dev
- Updated
- 2026-09-03
- Lists
- 1 list mention
- First commit
- 2025-03-10
- License
- Apache-2.0
- Issues
- 127 open
10,690
stars
- Forks
- 981
- Commits
- 1,353 commits
- Star growth, last 7 days
- 0 0.0%
- Commit velocity, last 7 days
- 0 0.0%
mcp-use/mcp-use
The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.
AI dev
GitHub topics
- Updated
- 2026-08-10
- Lists
- 3 list mentions
- First commit
- 2025-03-28
- License
- MIT
- Issues
- 91 open
10,474
stars
- Forks
- 1,407
- Commits
- 1,525 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
langchain-ai/open-swe
An Open-Source Asynchronous Coding Agent
AI dev
GitHub topics
- Updated
- 2026-08-01
- Lists
- 4 list mentions
- First commit
- 2025-05-21
- License
- MIT
- Issues
- 21 open
10,427
stars
- Forks
- 1,213
- Commits
- 1,169 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
lastmile-ai/mcp-agent
Build effective agents using Model Context Protocol and simple workflow patterns
AI dev
- Updated
- 2026-01-25
- Lists
- 4 list mentions
- First commit
- 2024-12-18
- License
- Apache-2.0
- Issues
- 137 open
8,498
stars
- Forks
- 877
- Commits
- 767 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
katanemo/plano
Plano is an AI-native proxy server and data plane for agentic apps. Smart LLM routing, observability, agent orchestration, and guardrails so you stay focused on your agents core logic.
AI dev
GitHub topics
- Updated
- 2026-07-31
- Lists
- 4 list mentions
- First commit
- 2024-07-09
- License
- Apache-2.0
- Issues
- 137 open
6,916
stars
- Forks
- 476
- Commits
- 733 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
xerrors/Yuxi
可私有部署的多租户知识智能体平台：统一 RAG、知识图谱、多智能体、MCP/Skills、沙盒与权限管理。Self-hosted knowledge agent platform for RAG, knowledge graphs and multi-agent workflows.
AI dev
GitHub topics
- Updated
- 2026-08-25
- Lists
- 2 list mentions
- First commit
- 2024-07-06
- License
- MIT
- Issues
- 79 open
6,556
stars
- Forks
- 977
- Commits
- 2,545 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
embabel/embabel-agent
Agent framework for the JVM. Pronounced Em-BAY-bel /ɛmˈbeɪbəl/
AI dev
Stack
GitHub topics
- Updated
- 2026-08-02
- Lists
- 2 list mentions
- First commit
- 2025-03-28
- License
- Apache-2.0
- Issues
- 62 open
3,849
stars
- Forks
- 381
- Commits
- 2,826 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
truera/trulens
Evaluation and Tracking for LLM Experiments and AI Agents
AI dev
GitHub topics
- Updated
- 2026-07-31
- Lists
- 3 list mentions
- First commit
- 2020-11-13
- License
- MIT
- Issues
- 81 open
3,480
stars
- Forks
- 317
- Commits
- 1,793 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
openlit/openlit
Open source platform for AI Engineering: OpenTelemetry-native LLM Observability, GPU Monitoring, Guardrails, Evaluations, Prompt Management, Vault, Playground. 🚀💻 Integrates with 50+ LLM Providers, VectorDBs, Agent Frameworks and GPUs.
AI dev
Stack
- Updated
- 2026-08-03
- Lists
- 4 list mentions
- First commit
- 2024-01-23
- License
- Apache-2.0
- Issues
- 53 open
2,666
stars
- Forks
- 343
- Commits
- 949 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
apache/burr
Build applications that make decisions (chatbots, agents, simulations, etc...). Monitor, trace, persist, and execute on your own infrastructure.
GitHub topics
- Updated
- 2026-08-03
- Lists
- 2 list mentions
- First commit
- 2024-01-29
- License
- Apache-2.0
- Issues
- 101 open
2,496
stars
- Forks
- 180
- Commits
- 962 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
Arize-ai/openinference
OpenTelemetry Instrumentation for AI Observability
AI dev
GitHub topics
- Updated
- 2026-08-10
- Lists
- 2 list mentions
- First commit
- 2023-12-26
- License
- Apache-2.0
- Issues
- 231 open
1,139
stars
- Forks
- 288
- Commits
- 2,070 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
rasbt/mini-coding-agent
Minimal and readable coding agent harness implementation in Python to explain the core components of coding agents.
- Updated
- 2026-04-07
- Lists
- 2 list mentions
- First commit
- 2026-04-02
- License
- Apache-2.0
- Issues
- 3 open
1,065
stars
- Forks
- 191
- Commits
- 15 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history